This type of tray is a recent development of the original stone resin concept. The difference being that a plastic outer shell of acrylic capped ABS is filled with the stone resin mix for the required strength and rigidity to eliminate unwanted movement. Due to its heat-retaining properties, the tough outer surface, which is resistant to impact and chemicals, is warm to the touch. Readily available in popular sizes, MX ABS stone resin shower trays can be installed as floor standing, on a plinth or on legs as an Easy-Plumb.